The build is unreachable.

Build log

> /tmp/stackage-build2456$ stack unpack hsini-0.5.1.2@sha256:b9a67bcdc416b5f6d1947b1a907f288887f3b5bc9a5e72066386240e94fb4731
Unpacked hsini-0.5.1.2 to /tmp/stackage-build2456/hsini-0.5.1.2/
> /tmp/stackage-build2456/hsini-0.5.1.2$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
[1 of 1] Compiling Main             ( Setup.hs, Setup.o )
Linking Setup ...
> /tmp/stackage-build2456/hsini-0.5.1.2$ ./Setup configure --package-db=clear --package-db=global --package-db=/home/circleci/project/builds/nightly/pkgdb --libdir=/home/circleci/project/builds/nightly/lib --bindir=/home/circleci/project/builds/nightly/bin --datadir=/home/circleci/project/builds/nightly/share --libexecdir=/home/circleci/project/builds/nightly/libexec --sysconfdir=/home/circleci/project/builds/nightly/etc --docdir=/home/circleci/project/builds/nightly/doc/hsini-0.5.1.2 --htmldir=/home/circleci/project/builds/nightly/doc/hsini-0.5.1.2 --haddockdir=/home/circleci/project/builds/nightly/doc/hsini-0.5.1.2
Configuring hsini-0.5.1.2...
> /tmp/stackage-build2456/hsini-0.5.1.2$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2456/hsini-0.5.1.2$ ./Setup build
Preprocessing library for hsini-0.5.1.2..
Building library for hsini-0.5.1.2..
[1 of 4] Compiling Data.Ini.Types   ( src/Data/Ini/Types.hs, dist/build/Data/Ini/Types.o )
[2 of 4] Compiling Data.Ini         ( src/Data/Ini.hs, dist/build/Data/Ini.o )
[3 of 4] Compiling Data.Ini.Reader.Internals ( src/Data/Ini/Reader/Internals.hs, dist/build/Data/Ini/Reader/Internals.o )
[4 of 4] Compiling Data.Ini.Reader  ( src/Data/Ini/Reader.hs, dist/build/Data/Ini/Reader.o )
> /tmp/stackage-build2456/hsini-0.5.1.2$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2456/hsini-0.5.1.2$ ./Setup copy
Installing library in /home/circleci/project/builds/nightly/lib/x86_64-linux-ghc-8.7.20181117/hsini-0.5.1.2-7QJEkg5B98m3Z0jWXBU7jB
> /tmp/stackage-build2456/hsini-0.5.1.2$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb Setup
> /tmp/stackage-build2456/hsini-0.5.1.2$ ./Setup register
Registering library for hsini-0.5.1.2..